Excavation Services for Saint John and Surrounding areas. Sarcon Construction is known as an industry leader in providing value-added services, we are dedicated to developing long-lasting relationships with our clients. Each project is completed to the highest level of quality construction services and delivery of products and materials. Sarcon Construction specializes in all aspects of excavation work, servicing Commercial, Public Works and Residential job sites. We are also certified in watercourse alterations and on-site sewage disposal systems. With over 20 years experience, we have a solid reputation of providing the highest quality workmanship.